blob: 8f9250d7d60cd2fcc53c36a82016608e6bd51633 [file] [log] [blame]
// Copyright (c) 2018, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
// @dart = 2.7
import 'dart:io';
import 'package:async_helper/async_helper.dart';
import 'package:compiler/src/closure.dart';
import 'package:compiler/src/common.dart';
import 'package:compiler/src/compiler.dart';
import 'package:compiler/src/elements/entities.dart';
import 'package:compiler/src/inferrer/type_graph_inferrer.dart';
import 'package:compiler/src/js_model/element_map.dart';
import 'package:compiler/src/js_model/js_world.dart';
import 'package:kernel/ast.dart' as ir;
import '../equivalence/id_equivalence.dart';
import '../equivalence/id_equivalence_helper.dart';
main(List<String> args) {
asyncTest(() async {
Directory dataDir =
new Directory.fromUri(Platform.script.resolve('callers'));
await checkTests(dataDir, const CallersDataComputer(),
args: args, options: [stopAfterTypeInference]);
});
}
class CallersDataComputer extends DataComputer<String> {
const CallersDataComputer();
@override
void computeMemberData(Compiler compiler, MemberEntity member,
Map<Id, ActualData<String>> actualMap,
{bool verbose: false}) {
JsClosedWorld closedWorld = compiler.backendClosedWorldForTesting;
JsToElementMap elementMap = closedWorld.elementMap;
MemberDefinition definition = elementMap.getMemberDefinition(member);
new CallersIrComputer(
compiler.reporter,
actualMap,
elementMap,
compiler.globalInference.typesInferrerInternal,
closedWorld.closureDataLookup)
.run(definition.node);
}
@override
DataInterpreter<String> get dataValidator => const StringDataInterpreter();
}
/// AST visitor for computing side effects data for a member.
class CallersIrComputer extends IrDataExtractor<String> {
final TypeGraphInferrer inferrer;
final JsToElementMap _elementMap;
final ClosureData _closureDataLookup;
CallersIrComputer(
DiagnosticReporter reporter,
Map<Id, ActualData<String>> actualMap,
this._elementMap,
this.inferrer,
this._closureDataLookup)
: super(reporter, actualMap);
String getMemberValue(MemberEntity member) {
Iterable<MemberEntity> callers = inferrer.getCallersOfForTesting(member);
if (callers != null) {
List<String> names = callers.map((MemberEntity member) {
StringBuffer sb = new StringBuffer();
if (member.enclosingClass != null) {
sb.write(member.enclosingClass.name);
sb.write('.');
}
sb.write(member.name);
if (member.isSetter) {
sb.write('=');
}
return sb.toString();
}).toList()
..sort();
return '[${names.join(',')}]';
}
return null;
}
@override
String computeMemberValue(Id id, ir.Member node) {
return getMemberValue(_elementMap.getMember(node));
}
@override
String computeNodeValue(Id id, ir.TreeNode node) {
if (node is ir.FunctionExpression || node is ir.FunctionDeclaration) {
ClosureRepresentationInfo info = _closureDataLookup.getClosureInfo(node);
return getMemberValue(info.callMethod);
}
return null;
}
}